A Novel Improved Performance of Power Distribution System using DSTATCOM under I.M Drive Scheme

Abstract

Electricity plays an important role in the economic development and technology advancement throughout the world. The quality and reliability of power supplies relates closely to the economic growth of a country. However, power quality disturbances such as sags, swells, flicker, harmonics, voltage imbalance etc., create a lot of problems in achieving a reliable and quality power supply. These power quality problems are very common in the electrical distribution systems. The poor voltage or reactive power compensation can be minimized or overcome by using FACTS device such as DSTATCOM. In order to maintain the power system quality the DSTATCOM will absorb and provide reactive power to mitigate voltage sag, swell, interruption and improve power factor in various conditions. The use of STATCOM for solving power quality problems due to voltage sags, flickers, swell etc., has been suggested. The purpose of STATCOM is to provide efficient voltage regulation during short duration of induction motor starting and thus prevent large voltage dips. The D-STATCOM fed with induction motor performance can be analyzed by using MATLAB /SIMULINK software.